Re: CDN server log

2013-05-16 Thread Michal Krsek
Hi Djamel, I'm not sure what you are looking for. There is variety of CDN content and popularity is being driven by users and designers. If you have CDN that serves pictures, you get most hits on design pictures, for paid VoD, you get most hits on free trailers. For CatchTV tup you get most

Re: 10 Mbit/s problem in your network

2013-02-10 Thread Michal Krsek
Hello, The Apple TV cited as an example was an example. If the TV Show/films/movies/etc.. is static content, then we should be able to cache it, at the hotel's cache server. The question is how much it helps. Everyone can easily find that caching Google logo is possible, also some

Re: cisco.com

2009-08-04 Thread Michal Krsek
Same here in Prague (various upstreams in Central Europe) MK Jon Auer napsal(a): See: https://puck.nether.net/pipermail/outages/2009-August/001386.html I do not have a route to that IP (198.133.219.25) in BGP either.. On Tue, Aug 4, 2009 at 8:34 AM, R. Benjamin

Re: cogent issues

2009-02-16 Thread Michal Krsek
We didn't but see significant routing problem here in Prague/EU. Michal Krsek - AS41711 John Martinez napsal(a): Has anyone opened a ticket with Cogent? Their packet loss is reaching ~10%. http://www.internetpulse.net

Re: Internet partitioning event regulations (was: RE: Sending vs requesting. Was: Re: Sprint / Cogent)

2008-11-07 Thread Michal Krsek
First, let me say that I think peering regulation is a terrible idea. No matter how cleverly you plan it, the result will be that fewer small companies can participate. That's the character of regulation: compliance creates more barriers to entry than it removes. That having been said,

Re: Sprint / Cogent

2008-10-30 Thread Michal Krsek
Looks like maybe Sprint and Cogent are experiencing communications difficulties in the DC (and probably other) areas. Theories include a potential depeering. I am seeing issues Cogent - Sprint at Tyco Road, Tysons Corner VA. .. ... .. show ip bgp 206.159.101.241 % Network not in

Re: So why don't US citizens get this?

2008-07-28 Thread Michal Krsek
The US is so spread out that anything to do with transportation, being people, packages, or ip packets becomes quite costly. Well then, let's take Sweden: total: 449,964 sq km This is slightly larger than california. We're 9 million. I think at least 90% of Swedish households have access to

Re: Best utilizing fat long pipes and large file transfer

2008-06-13 Thread Michal Krsek
Hi Sean, from thursday, we have copied some ~300 GB packages from Prague to San Diego (~200 ms delay, 10 GE flat ethernet end machines connected via 1GE) files using RBUDP which worked great. Each scenario needs some planning. You have to answer several questions: 1) What is the performance

Re: [NANOG] Unique v6 (video) content

2008-05-20 Thread Michal Krsek
Dear Marc, if you (or other users) have not enough capacity for watching 1.5 Mb/s stream, you can use lower (comodity) bitrate. You can use comodity URLs: http://master.nacevi.cz/asx/ct24livewh.asx (400 Kb/s) http://master.nacevi.cz/asx/ct24livewl.asx (225 Kb/s) Regards